Matrices A and B will be inverse of each other only if: - Vidyadip

MCQ

Matrices A and B will be inverse of each other only if:

✓
AB = BA
B
AB = BA = 0
C
AB = 0, BA = I
D
AB = BA = I

✓

Answer

Correct option: A.

AB = BA

By definition of inverse of square matrix, Option (a) is correct.

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